Finding the Fourth Proportional to 427,895.72, 590,535.72 and 236,909.12

Step by Step Solution

1. Step 1: Write the proportion equation
   427,895.72 : 590,535.72 = 236,909.12 : x
2. Step 2: Convert to fraction form
   427,895.72/590,535.72 = 236,909.12/x
3. Step 3: Cross multiply
   427,895.72x = 590,535.72 × 236,909.12
4. Step 4: Simplify right side
   427,895.72x = 139,903,297,753.77
5. Step 5: Solve for x
   x = 139,903,297,753.77/427,895.72
6. Step 6: Final answer
   x = 326,956.53